Merge "Revert "Revert "Sync hotseat/taskbar handoff""" into tm-dev am: 812feca9ef am: 2f83e94c88

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/17606862

Change-Id: I077461cb73f6a0bffe19a94ce9ac1c1f81538975
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>